Helmet-shape jigsaw puzzle
US8083233B2 · kind B2 · utility
0Cited by
14References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 4, 2009 |
| Grant date | Dec 27, 2011 |
| Priority date | — |
| Expiry date | Mar 19, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63F2009/1016
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A jigsaw puzzle is provided with a plurality of inner puzzle pieces defining a complete inner puzzle depicting a preselected object, and a plurality of outer puzzle pieces defining a complete outer puzzle depicting a frame around an opening having the shape of the preselected object. In another aspect of the jigsaw puzzle, the plurality of inner puzzle pieces collectively form a first image on a front face and the plurality of outer puzzle pieces collective form a frame image on a front face, while the inner and outer puzzle pieces collectively form a second image on a back face of the puzzle pieces.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.